Sulfadimethoxine

  • Description
Product Detail

Sulfadimethoxine

CAS number: 122-11-2

Molecular formula: C12H14N4O4S

Molecular weight: 310.33

Chemical Structure: 


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Product Name

Sulfadimethoxine

Shelf Life

2 years

Packing

25kg/drum

Specification

USP

Items

Standard

Description

Practically white;crystalline powder

Identification

A:IR Conform to the RS spectrum

B:UV At 272nm do not differ by more than 3.0%

C: A yellow color is produced

D: A red-orange precipitate is formed

Melting range

197-202?

Loss on drying

=0.5%

Residue on ignition

=0.1%

Heavy metals

=0.002%

Assay(HPLC)

98.0%-102.0%

Related Substances

4-amino-2,6-dimethoxypyrmidine =0.2%

4-(N4-Acetylaminobenzensulfony)-2,6-dimethoxypyrmidine=0.2%

Single unknown impurity =0.1%

Total impurity

=1.0%

Residual Solvents

Toluene =200ppm

Pyridine =100ppm

Glacial acetic acid =5000ppm

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